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^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...
The igneous and metamorphic crystalline basement rock of New York formed in the Precambrian and are coterminous with the Canadian Shield.The Adirondack Mountains, Thousand Islands, Hudson Highlands, and Fordham gneiss, along with outcrops in the Berkshires just over the state line in Massachusetts, are part of the Grenville Province, a large piece of continental crust which accreted to the ...
Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [ 1 ] [ 2 ] They are not diamonds ; the "diamond" in their name is due to both their clarity and well formed faces.
Gore Mountain Garnet, found in the Adirondack Mountains in New York, contains the world's largest garnets. [1] [2] The rock that holds these garnets, garnet amphibolite, is sometimes referred to as 'black ore' or 'dark ore.' [1] [3] This rock formation formed during metamorphism during the Ottawan phase of the Grenvillian orogeny, and extremely high temperatures combined with introduction of ...
Almandine garnet is the state mineral of Connecticut, [60] [61] star garnet is the state gemstone of Idaho, [62] garnet is the state gemstone of New York, [63] [64] and grossular garnet is the state gemstone of Vermont. [65]
The New York State Museum was founded in 1836 as the New York State Geological and Natural History Survey, formed in 1836 by Governor William Marcy to document the mineral wealth of the state. [2] In 1870, it was reorganized as the New York State Museum of Natural History under the trusteeship of the regents of the State University. [3]
The mine reached its peak of production in the 1870s. It was 600 feet (180 meters) deep. There were 300 miners employed and they were producing 7,000 tons (14,000,000 pounds) of ore per month. The main minerals were magnetite and chondrodite. [2] The iron ore was loaded onto a train to New York City.
State fossils are distinct from other state emblems like state dinosaurs, state stones, state minerals, state gemstones or state rocks and a state may designate one, a few, or all of those. For example, in Arizona, the state stone is turquoise and the state dinosaur is Sonorasaurus thompsoni yet the state fossil is petrified wood.